Stefan J. Chimoskey, MD
Sleep Medicine (Family Medicine) Physician · Boulder, CO
Stefan J. Chimoskey, MD is a sleep medicine (family medicine) physician with a practice address in Boulder, Colorado, and NPI 1023102498, issued on Oct 3, 2006. Check the license (Colorado 0052058, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stefan J. Chimoskey
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Family Medicine) Physician 207QS1201X
- License numbers
- 0052058 CO
2001-156 NM
2001156 NM
Self-reported in NPPES; status is on the state search - Practice location
- 3601 Arapahoe Ave, Boulder, CO 80303
- Phone
- (720) 845-5858
- Enumerated
- Oct 3, 2006
- Record last updated
- Jun 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (505) 288-3642
- Medicaid ID
- 35424737 NM
- Medicare enrollment
- Enrolled (PECOS I20140106000240); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
4 nearest sleep medicine (family medicine) physician records → All 5 in Colorado → Look up another NPI →
Verify Stefan J. Chimoskey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 0052058Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Intermountain Medical Group Denver LLCBroomfield, CO
- Scl Health Medical Group - Billings LLCBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sleep Medicine (Family Medicine) Physician providers in Colorado
There are 5 sleep medicine (family medicine) physician records in Colorado.
All 5 in Colorado → Every provider in Boulder → Sleep Medicine (Family Medicine) Physician nationwide →
The 4 sleep medicine (family medicine) physician records with the nearest ZIP codes
- Ari Walter, MDBoulder, CO 803011922669431
- Bogdan Strambu, MDParker, CO 801381427366723
- Victoria Lennox, MDLone Tree, CO 801241528529757
- Kaela GoetzLafayette, CO 800261043132673
Common questions
What is Stefan J. Chimoskey, MD's NPI number?
Stefan J. Chimoskey, MD's National Provider Identifier (NPI) is 1023102498, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stefan J. Chimoskey, MD located?
The NPPES record lists a practice address at 3601 Arapahoe Ave, Boulder, CO, 80303. Phone: (720) 845-5858. Providers update this record themselves, so call before visiting.
How can I verify Stefan J. Chimoskey, MD's license?
NPPES lists Colorado license number 0052058, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.